[INFO] fetching crate libcw 0.1.1...
[INFO] checking libcw-0.1.1 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate libcw 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate libcw 0.1.1 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libcw 0.1.1
[INFO] finished tweaking crates.io crate libcw 0.1.1
[INFO] tweaked toml for crates.io crate libcw 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 93d269ee528911c1a4a116797deaf12ce1684ab4ec7dda3bcc0c1aed89848e50
[INFO] running `"docker" "start" "-a" "93d269ee528911c1a4a116797deaf12ce1684ab4ec7dda3bcc0c1aed89848e50"`
[INFO] [stderr]     Checking libcw v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[macro_use] extern crate lazy_static;
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[macro_use] extern crate lazy_static;
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/parser.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     unimplemented!();
[INFO] [stderr]     |     ----------------- any code following this expression is unreachable
[INFO] [stderr] 128 |     Ok(())
[INFO] [stderr]     |     ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program_str`
[INFO] [stderr]    --> src/parser.rs:124:17
[INFO] [stderr]     |
[INFO] [stderr] 124 | fn lex_into<'a>(program_str: &'a str, buf: &'a mut Vec<Token>)
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: consider prefixing with an underscore: `_program_str`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/parser.rs:124:39
[INFO] [stderr]     |
[INFO] [stderr] 124 | fn lex_into<'a>(program_str: &'a str, buf: &'a mut Vec<Token>)
[INFO] [stderr]     |                                       ^^^ help: consider prefixing with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/parser.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     unimplemented!();
[INFO] [stderr]     |     ----------------- any code following this expression is unreachable
[INFO] [stderr] 128 |     Ok(())
[INFO] [stderr]     |     ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program_str`
[INFO] [stderr]    --> src/parser.rs:124:17
[INFO] [stderr]     |
[INFO] [stderr] 124 | fn lex_into<'a>(program_str: &'a str, buf: &'a mut Vec<Token>)
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: consider prefixing with an underscore: `_program_str`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/parser.rs:124:39
[INFO] [stderr]     |
[INFO] [stderr] 124 | fn lex_into<'a>(program_str: &'a str, buf: &'a mut Vec<Token>)
[INFO] [stderr]     |                                       ^^^ help: consider prefixing with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `store_pspace`
[INFO] [stderr]    --> src/simulation/mars.rs:628:5
[INFO] [stderr]     |
[INFO] [stderr] 628 |     fn store_pspace(&mut self, pin: Pin, addr: Address, value: Value)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `store_effective_a`
[INFO] [stderr]    --> src/simulation/mars.rs:644:5
[INFO] [stderr]     |
[INFO] [stderr] 644 |     fn store_effective_a(&mut self, instr: T)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fetch_pspace`
[INFO] [stderr]    --> src/simulation/mars.rs:675:5
[INFO] [stderr]     |
[INFO] [stderr] 675 |     fn fetch_pspace(&self, pin: Pin, addr: Address) -> Value
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `store_pspace`
[INFO] [stderr]    --> src/simulation/mars.rs:628:5
[INFO] [stderr]     |
[INFO] [stderr] 628 |     fn store_pspace(&mut self, pin: Pin, addr: Address, value: Value)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `store_effective_a`
[INFO] [stderr]    --> src/simulation/mars.rs:644:5
[INFO] [stderr]     |
[INFO] [stderr] 644 |     fn store_effective_a(&mut self, instr: T)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fetch_pspace`
[INFO] [stderr]    --> src/simulation/mars.rs:675:5
[INFO] [stderr]     |
[INFO] [stderr] 675 |     fn fetch_pspace(&self, pin: Pin, addr: Address) -> Value
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "93d269ee528911c1a4a116797deaf12ce1684ab4ec7dda3bcc0c1aed89848e50"`
[INFO] running `"docker" "rm" "-f" "93d269ee528911c1a4a116797deaf12ce1684ab4ec7dda3bcc0c1aed89848e50"`
[INFO] [stdout] 93d269ee528911c1a4a116797deaf12ce1684ab4ec7dda3bcc0c1aed89848e50